package edu.sctu.practice.class02.yangyiqing.exam.test12;

/**
 * Created by Administrator on 2015/10/11 0011.
 */
public class CarMain {
    public static void main(String[] args) {
        Car car = new Car(4);
        Car car1 = new Car("白色");
        Car car2 =new Car(5.2f);
        car.carStop();
        car.speedUp();
        car.speedDown();
    }
}
